A | This mineral is Anthropogenic. |
G | This mineral is directly dated. |
B | This mineral is reported as having this age. |
Y | This mineral is using an age reported as an element mineralization period. |
O | This mineral is using an age calculated from all data at the locality. |
R | The age displayed for this mineral originates from a different, non-child locality. |
P | The age displayed for this mineral is the range of ages for this mineral at all of this locality's children. |
This mineral's age has not yet been recorded. |
Calcite | Clay | Corundum | Mica | Nickeline | None | Olivine | Pyroxene | Serpentine | Smectite-vermiculite |
Spinel | Tridymite |
Alunite (*) | Antigorite (*) | Augite (*) | Diopside (*) | Fayalite (*) |
Hematite (*) | Laihunite (*) | Magnetite (*) | Montmorillonite (*) | Muscovite (*) |
Pyrrhotite (*) | Siderite (*) | Tridymite (*) |
Mineral name | Structural Groups | IMA Formula | Max Age (Ma) | Min Age (Ma) | # of Sublocalities containing mineral | LOCALITY IDs, not mindat ids | # of localities containing mineral |
---|---|---|---|---|---|---|---|
Alunite (*) | None | KAl3(SO4)2(OH)6 | 0 | 966 | |||
Antigorite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 708 | |||
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
Diopside (*) | Pyroxene | CaMgSi2O6 | 0 | 4135 | |||
Fayalite (*) | Olivine | Fe2+2(SiO4) | 0 | 371 | |||
Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
Laihunite (*) | None | (Fe3+,Fe2+, )2(SiO4) | 0 | 15 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
Pyrrhotite (*) | Nickeline | Fe7S8 | 0 | 9056 | |||
Siderite (*) | Calcite | Fe(CO3) | 0 | 6417 | |||
Tridymite (*) | Tridymite | SiO2 | 0 | 458 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
All age data...
Other copyright data...